Sure thing! We've got 83 and we're gonna multiply it by 145. That's the same as adding 83 to itself 145 times.
Step 1: 0 + 83 = 83
Step 2: 83 + 83 = 166
Step 3: 166 + 83 = 249
Step 4: 249 + 83 = 332
Step 5: 332 + 83 = 415
Step 6: 415 + 83 = 498
Step 7: 498 + 83 = 581
Step 8: 581 + 83 = 664
Step 9: 664 + 83 = 747
Step 10: 747 + 83 = 830
Step 11: 830 + 83 = 913
Step 12: 913 + 83 = 996
Step 13: 996 + 83 = 1079
Step 14: 1079 + 83 = 1162
Step 15: 1162 + 83 = 1245
Step 16: 1245 + 83 = 1328
Step 17: 1328 + 83 = 1411
Step 18: 1411 + 83 = 1494
Step 19: 1494 + 83 = 1577
Step 20: 1577 + 83 = 1660
Step 21: 1660 + 83 = 1743
Step 22: 1743 + 83 = 1826
Step 23: 1826 + 83 = 1909
Step 24: 1909 + 83 = 1992
Step 25: 1992 + 83 = 2075
Step 26: 2075 + 83 = 2158
Step 27: 2158 + 83 = 2241
Step 28: 2241 + 83 = 2324
Step 29: 2324 + 83 = 2407
Step 30: 2407 + 83 = 2490
Step 31: 2490 + 83 = 2573
Step 32: 2573 + 83 = 2656
Step 33: 2656 + 83 = 2739
Step 34: 2739 + 83 = 2822
Step 35: 2822 + 83 = 2905
Step 36: 2905 + 83 = 2988
Step 37: 2988 + 83 = 3071
Step 38: 3071 + 83 = 3154
Step 39: 3154 + 83 = 3237
Step 40: 3237 + 83 = 3320
Step 41: 3320 + 83 = 3403
Step 42: 3403 + 83 = 3486
Step 43: 3486 + 83 = 3569
Step 44: 3569 + 83 = 3652
Step 45: 3652 + 83 = 3735
Step 46: 3735 + 83 = 3818
Step 47: 3818 + 83 = 3901
Step 48: 3901 + 83 = 3984
Step 49: 3984 + 83 = 4067
Step 50: 4067 + 83 = 4150
Step 51: 4150 + 83 = 4233
Step 52: 4233 + 83 = 4316
Step 53: 4316 + 83 = 4399
Step 54: 4399 + 83 = 4482
Step 55: 4482 + 83 = 4565
Step 56: 4565 + 83 = 4648
Step 57: 4648 + 83 = 4731
Step 58: 4731 + 83 = 4814
Step 59: 4814 + 83 = 4897
Step 60: 4897 + 83 = 4980
Step 61: 4980 + 83 = 5063
Step 62: 5063 + 83 = 5146
Step 63: 5146 + 83 = 5229
Step 64: 5229 + 83 = 5312
Step 65: 5312 + 83 = 5395
Step 66: 5395 + 83 = 5478
Step 67: 5478 + 83 = 5561
Step 68: 5561 + 83 = 5644
Step 69: 5644 + 83 = 5727
Step 70: 5727 + 83 = 5810
Step 71: 5810 + 83 = 5893
Step 72: 5893 + 83 = 5976
Step 73: 5976 + 83 = 6059
Step 74: 6059 + 83 = 6142
Step 75: 6142 + 83 = 6225
Step 76: 6225 + 83 = 6308
Step 77: 6308 + 83 = 6391
Step 78: 6391 + 83 = 6474
Step 79: 6474 + 83 = 6557
Step 80: 6557 + 83 = 6640
Step 81: 6640 + 83 = 6723
Step 82: 6723 + 83 = 6806
Step 83: 6806 + 83 = 6889
Step 84: 6889 + 83 = 6972
Step 85: 6972 + 83 = 7055
Step 86: 7055 + 83 = 7138
Step 87: 7138 + 83 = 7221
Step 88: 7221 + 83 = 7304
Step 89: 7304 + 83 = 7387
Step 90: 7387 + 83 = 7470
Step 91: 7470 + 83 = 7553
Step 92: 7553 + 83 = 7636
Step 93: 7636 + 83 = 7719
Step 94: 7719 + 83 = 7802
Step 95: 7802 + 83 = 7885
Step 96: 7885 + 83 = 7968
Step 97: 7968 + 83 = 8051
Step 98: 8051 + 83 = 8134
Step 99: 8134 + 83 = 8217
Step 100: 8217 + 83 = 8300
Step 101: 8300 + 83 = 8383
Step 102: 8383 + 83 = 8466
Step 103: 8466 + 83 = 8549
Step 104: 8549 + 83 = 8632
Step 105: 8632 + 83 = 8715
Step 106: 8715 + 83 = 8798
Step 107: 8798 + 83 = 8881
Step 108: 8881 + 83 = 8964
Step 109: 8964 + 83 = 9047
Step 110: 9047 + 83 = 9130
Step 111: 9130 + 83 = 9213
Step 112: 9213 + 83 = 9296
Step 113: 9296 + 83 = 9379
Step 114: 9379 + 83 = 9462
Step 115: 9462 + 83 = 9545
Step 116: 9545 + 83 = 9628
Step 117: 9628 + 83 = 9711
Step 118: 9711 + 83 = 9794
Step 119: 9794 + 83 = 9877
Step 120: 9877 + 83 = 9960
Step 121: 9960 + 83 = 10043
Step 122: 10043 + 83 = 10126
Step 123: 10126 + 83 = 10209
Step 124: 10209 + 83 = 10292
Step 125: 10292 + 83 = 10375
Step 126: 10375 + 83 = 10458
Step 127: 10458 + 83 = 10541
Step 128: 10541 + 83 = 10624
Step 129: 10624 + 83 = 10707
Step 130: 10707 + 83 = 10790
Step 131: 10790 + 83 = 10873
Step 132: 10873 + 83 = 10956
Step 133: 10956 + 83 = 11039
Step 134: 11039 + 83 = 11122
Step 135: 11122 + 83 = 11205
Step 136: 11205 + 83 = 11288
Step 137: 11288 + 83 = 11371
Step 138: 11371 + 83 = 11454
Step 139: 11454 + 83 = 11537
Step 140: 11537 + 83 = 11620
Step 141: 11620 + 83 = 11703
Step 142: 11703 + 83 = 11786
Step 143: 11786 + 83 = 11869
Step 144: 11869 + 83 = 11952
Step 145: 11952 + 83 = 12035

So, 83*145 = 12035